自学人
自学人，自学不求人！专业的自学视频教程网，我爱自学，我要自学就上自学人网！自学人提供office办公软件教程系列、Photoshop教程、AutoCAD教程、3dmax教程、Vray渲染教程、室内施工工艺教程、色彩配色教程、建筑CAD制图教程、土建施工视频教程、Revit视频教程、sketchup教程、Lumion教程、新概念英语视频教程等各种教程。是最专业的视频自学网站。爱自学，要自学就上自学人网。
DevX
DevX is the leading provider of technical information, tools, and services for IT professionals developing corporate applications.
开发者在线
开发者在线面向软件开发领域人群。核心内容覆盖软件开发技术的各个层面：C/S开发、数据库开发、SOA中间件、WEB开发、移动嵌入式、项目管理、网页设计。
Dundas
Dundas Data Visualization, producers of award winning .NET Charting and Data Visualization Solutions for Microsoft Technologies.
Delphi
Corporate website for Delphi - a leading global supplier for the automotive, computing, communications, energy, and consumer accessories markets. Headquartered in Troy, Mich., Delphi has more than 100,000 employees in 32 countries.
Linux
For the community, by the community, Linux.com is the central source for Linux information, software, documentation, how-tos and answers across the server, desktop/netbook, mobile, and embedded areas.
PHP
Server-side HTML embedded scripting language. It provides web developers with a full suite of tools for building dynamic websites.
程序员
《程序员》月刊主办单位为中国社会科学院，创刊于2000年，已成长为中国最具影响力、最权威的IT专业技术期刊，是国内唯一一本定位于职业开发者、项目经理、CTO&CIO的技术高端杂志，以其产业化、专业化、人文化、个性化的独特定位赢得了读者的青睐。
SourceForge
SourceForge.net. Fast, secure and free downloads from the largest Open Source applications and software directory.